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From Steve Loughran <ste...@apache.org>
Subject Re: hadoop conf for dynamically changing ips
Date Fri, 26 Mar 2010 17:16:02 GMT
On 26/03/2010 16:39, Gokulakannan M wrote:
>>
>> It's what I do. You just have to make sure that if the IPAddrs change,
>>
>> everything gets restarted.
>
> 	
> 	Thanks Steve for the reply. "everything must be restarted" means the
> hadoop cluster or all the systems.

just the JVMs. All JVMs cache mapped IP addresses forever, very annoying.

http://issues.apache.org/jira/browse/HDFS-34

Dyndns and the like don't get a look in. It's for applet security, but 
interferes with long-lived apps. Another reason to automate restarting 
your apps regularly.


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